GUNN EFFECT DEVICES
Abstract
A shift from emphasis on device technology to device parameter variation and performance has been made. To date, over 60 MW of CW power has been obtained at 3.5 GHz but with poorer noise behavior than has been reported for lower power devices. Over 1000 hours of CW operation have been achieved for a few TE 144 samples with no measurable deterioration of D. C. or RF behavior. Considerable effort has been made to correlate known material doping gradients to poor RF behavior and lack of current drop at threshold. Two simple FM noise measurement systems are described and further computer results for LSA mode operation are presented.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 01, 1967
- Accession Number
- AD0822944
Entities
People
- J. Berrera
Organizations
- Hp